In Stock

Cardboard Inserts for Mailers

Upgrade your packaging with our durable cardboard inserts for mailers. They protect and present your products well. You get custom fitments, trays, dividers, inlays, and holders, made from Kraft or corrugated board. Each insert cushions and protects your products to reduce damage and returns. Add printed logos or spot color finishes to enhance brand flair and the unboxing experience. The cardboard mailing inserts are paired with foam inlays for delicate products and fit eCommerce, subscription, and retail packaging. We also offer sample proofs, fast turnarounds, and no MOQs. Plus, we contribute to our customers' success through quick and free shipping in the USA. Select inserts that reduce weight, reduce packaging time, and add a premium feel to every delivery.

Starting from $0.15

Get Your Custom Quote

Send your specs and get professional pricing back within 2 hours on business days.

    Upload Your Design

      Product Specifications

      Box styleCardboard Inserts for Mailers
      DimensionsAll custom sizes and shapes
      Minimum quantity100 boxes
      BoardGreyboard 1.5mm – 3mm
      Wrap stock128–157gsm art paper, kraft, or textured
      ClosureTwo concealed neodymium magnets
      FormatAssembled or collapsible
      PrintingOffset and digital, CMYK + spot colour
      LaminationMatte, gloss, or soft touch
      Add-on finishesSpot UV, foil, embossing, debossing
      InsertsFoam, EVA, pulp, card — velvet or silk lined
      ProofFree digital proof, sample on request
      Turnaround12–15 business days after approval
      ShippingFlat rate, tracked

      Customization options

      Offset Printing Offset Printing
      Digital Printing Digital Printing
      Pantone Colors Pantone Colors
      Soft Touch Lamination Soft Touch Lamination
      Spot Gloss UV Spot Gloss UV
      Hot Foil Printing Hot Foil Printing
      Blind Embossing Blind Embossing
      Window Patching Window Patching
      White Kraft White Kraft
      Natural Brown Kraft Natural Brown Kraft
      Textured Paper Textured Paper
      Grey Chipboard Grey Chipboard

      Product details

      Enhance Product Protection and Presentation with Mailer Box Inserts 

      Need a cost-effective packaging option that provides protection and presentation to your products? That is what our mailer cardboard inserts do. They make shipping an experience to remember. We increase your products’ safety with a custom fitment to keep them stable and secure. We craft these inserts with Kraft and corrugated materials. That’s why they are both durable and lightweight. The right inserts will act like a cushion and provide the utmost support for your products. Therefore, they minimize risks of any damage to the shipment, hence decreasing returns. Our cardboard packaging inserts are stylish and durable. Your logo in a printed tray promotes your branding goals and enhances perceived value. A divider provides clear compartments for multiple products. An inlay is used to protect the weak structure, such as electronics or glass jars. These cardboard mailing inserts can be used with eCommerce, subscription, and direct-to-consumer brands.

      You handle the look. Select natural Kraft, full-color printing, or foam inlays as additional security. We test to ensure a fit and functionality. In addition to protection, our inserts improve the unboxing experience. They also decrease fillers and wastes. That will make packaging more sustainable.

      Which Industries Benefit Most from Using Mailer Box Inserts?

      Our cardboard inserts for packaging are adaptable. They serve many industries where both presentation and protection matter. 

      Electronics and Tech Gear

      Fragile equipment must have secure compartments. Custom cardboard mailing inserts ensure that cables, chargers, and gadgets do not move. 

      Beauty and Cosmetics

      Cosmetic brands value appearance. The inserts contain a neat display and protect the glass bottles or jars. 

      Apparel and Retail

      Inserts with display fitments keep folded clothing, accessories, or watches organized.

      Gifts and Holiday Packaging

      There must be structure and appeal to seasonal collections. We create custom dividers and holders for Christmas mailer boxes that enhance festive unboxing experiences.

      Vinyl & Media Brands

      Vinyl records and CDs benefit from sturdy inserts. Vinyl record mailer boxes with custom fitments protect sleeves and covers from bending.

      What are the Available Standard Sizes for Cardboard Packaging Inserts?

      We make cardboard inserts for packaging in sizes that fit most products while keeping your shipping simple and efficient. You can also ask to have some unique sizes if needed. 

      Below are our most common sizes available: 

      Insert Type Dimensions (inches) Material Common Use Customization
      Single Tray 8x6x2 Kraft Small accessories Logo printed
      Multi-Compartment 12x9x3 Corrugated Cosmetics sets Divider color options
      Flat Fitment 10x10x1 Kraft Documents & records Die-cut support
      Foam Inlay Custom Foam/Cardboard Fragile items Printed branding

      What Benefits Do Custom Mailer Inserts Offer for Brands?

      Our cardboard mailing inserts fill space, protect, and present your product effectively. Every insert keeps your products intact and static during delivery, and it protects them against movement. This additional security results in minimal losses and satisfied clients.

      Better Protection, Less Waste

      We use durable yet eco-friendly materials. Our mailer box inserts are fully recyclable and lighter than foam. Thus, they help you save on shipping costs while being eco-conscious. 

      Branded and Beautiful

      Make your packaging have a color-matched touch or printed logo. A plain box is transformed into a brand statement through a printed insert.

      Smooth and Consistent Experience

      All the inserts are designed to fit absolutely flawlessly, producing a clean and repeatable unboxing. Your client opens the package, nothing moves, and your brand sounds considerate.

      We also offer custom options through our Custom rigid packaging for brands that value detail and consistency.

      What Sampling and Color Customization Options Are Available for Cardboard Mailer Inserts?

      You control look, feel, and function. We endorse complete sampling and color inspections to ensure your inserts and mailer fit the brand.

      • Material options: Board can be either kraft board, corrugated cardboard, or coated paperboard. So that the durability and texture can be varied.
      • Color sampling: Options of natural brown Kraft, crisp white color, and spot colors or complete color printed wraps for visual effect in the displays.
      • Logo customization: Embossed, foil-stamped, or printed logos on trays, inlays, or holders to enhance brand identity.
      • Pre-production sampling: A sample set containing fittings and color will help check the cushion. Is the composition of the compartments and their print appearance accurate?
      • Structural prototypes: Select prototypes of tray, divider, inlay, and foldable holder to show and protect themselves most favorably.
      • Bundled options: Match inserts with custom bubble mailers wholesale for a complete protective solution.

      You will receive clear samples and tips prior to production.

      Wholesale Mailer Boxes with Custom Inserts — No MOQ Required

      At ShopRigidBoxes, you can order cardboard inserts for mailers wholesale without worrying about minimums. We support both startups and established brands. Our custom inserts are made from durable corrugated or Kraft materials. So they provide strong protection and cushion during shipping. All orders have the same standards of quality. No compromises, no delays. We handle short lead times to reorders and customized runs.

      Hence, you can restock or redesign whenever you want to. These inserts can be used along with our custom mailer boxes and Custom rigid boxes to produce an entire branded system that fits your products well. You receive reliable, high-quality, and professional advice throughout the process. Good packaging should not be limited.

      Why Choose Shop Rigid Boxes for Expertly Crafted Custom Packaging Inserts?

      We’ve spent over a decade perfecting how cardboard packaging inserts look, feel, and perform. Our team knows how to strike a balance between protection, fitment, and display. All inserts undergo rigorous quality inspection to ensure accuracy and strength.

      Your brand should be packaged in a way that portrays its story. We design inserts that ensure a secure hold of products while showcasing your logo and style. That makes an ordinary unboxing a brand experience that the customers will recall.

      From startup to large retailer, we are growing with you. Use our cardboard inserts for mailers to enhance the longevity of the mail. With Shop Rigid Boxes, you get well-designed and reliable packaging. So that strengthens your brand’s identity with every shipment.

      Frequently asked questions

      What is the minimum order for Cardboard Inserts for Mailers?

      100 boxes. Per-box pricing drops at 500, 1,000, and 5,000 units, so ask for tiered pricing if you expect to reorder.

      How long does an order take?

      12–15 business days from approved proof to dispatch. Rush production is available on request for an additional charge.

      How long does an order take? Can you help with the design?

      Yes. Our design team prepares dielines, sets up your artwork, and produces the proof at no cost, whatever the order size.

      Do you provide samples before production?

      very order includes a free digital proof. Physical samples of your exact box can be produced on request before the full run.

      Which payment methods do you accept?

      Credit and debit cards, PayPal, and bank transfer. Larger runs can be split into a deposit and a balance on dispatch.

      Are the materials eco-certified?

      Boards are FSC-certified, and inks, coatings, and adhesives meet food-contact standards where the box needs it.

      Still have a question? We reply within 2 hours on business days — email us or call your dedicated representative.
      Contact our team →
      Cardboard Inserts for Mailers_img
      Cardboard Inserts for Mailers From $ 0.15 per box · MOQ 100